Free Lessons
- Provides piano and keyboard lessons for all ages. Available online or via email, featuring five page lesson plans.
- http://freelessons.org/_wsn/page4.html

Organ History
- The Pipe Organ, a description in two parts: "The organ and how it works" and "The History of the Organ"
- http://panther.bsc.edu/~jhcook/OrgHist/begin.htm